News Release

Shareholder Tools

AmerisourceBergen Announces Date and Time for Fiscal First Quarter Earnings Release

VALLEY FORGE, Pa.--(BUSINESS WIRE)--Jan. 5, 2009--AmerisourceBergen Corporation (NYSE:ABC) today announced that it plans
to release its results for the First Quarter of Fiscal Year 2009 on
Thursday, January 22, 2009 prior to the opening of trading on the New
York Stock Exchange. The Company will host a conference call to discuss
the results at 11:00 a.m. Eastern Standard Time on January 22, 2009.

The dial-in number for the live call will be (612) 288-0337. No access
code is required.

The live call will also be webcast via the Company's website at www.amerisourcebergen.com.
Users are encouraged to log on to the webcast approximately 10 minutes
in advance of the scheduled start time of the call.

Replays of the call will be made available via telephone and webcast. A
replay of the webcast will be posted on www.amerisourcebergen.com
approximately two hours after the completion of the call and will remain
available for thirty days. The telephone replay will also be available
approximately two hours after the completion of the call and will remain
available for seven days. To access the telephone replay from within the
US, dial 800-475-6701. From outside the US, dial 320-365-3844.
The access code is 980631.

About AmerisourceBergen

AmerisourceBergen is one of the world's largest pharmaceutical services
companies serving the United States, Canada and selected global markets.
Servicing both pharmaceutical manufacturers and healthcare providers in
the pharmaceutical supply channel, the Company provides drug
distribution and related services designed to reduce costs and improve
patient outcomes. AmerisourceBergen's service solutions range from
pharmacy automation and pharmaceutical packaging to reimbursement and
pharmaceutical consulting services. With more than $70 billion in annual
revenue, AmerisourceBergen is headquartered in Valley Forge, PA, and
employs approximately 10,000 people. AmerisourceBergen is ranked #28 on
the Fortune 500 list. For more information, go to www.amerisourcebergen.com.

FORWARD-LOOKING STATEMENTS

This news release contains forward-looking statements about
AmerisourceBergen's future business and financial performance, estimates
and prospects. These statements are based on our current expectations
and are subject to uncertainty and change in circumstances. Among the
factors that could cause actual results to differ materially from those
projected, anticipated or implied are the following: changes in
pharmaceutical market growth rates; the loss of one or more key customer
or supplier relationships; changes in customer mix; customer or supplier
defaults or insolvencies; changes in pharmaceutical manufacturers'
pricing and distribution policies or practices; adverse resolution of
any contract or other dispute with customers or suppliers; federal and
state government enforcement initiatives to detect and prevent
suspicious orders of controlled substances and the diversion of
controlled substances; changes in U.S. legislation or regulatory action
affecting pharmaceutical product pricing or reimbursement policies,
including under Medicaid and Medicare; changes in regulatory or clinical
medical guidelines and/or labeling for the pharmaceuticals we
distribute, including erythropoiesis-stimulating agents (ESAs) used to
treat anemia patients; price inflation in branded pharmaceuticals and
price deflation in generics; significant breakdown or interruption of
our information technology systems; success of integration,
restructuring or systems initiatives; interest rate and foreign currency
exchange rate fluctuations; economic, business, competitive and/or
regulatory developments in Canada, the United Kingdom and elsewhere
outside of the United States; the impact of divestitures or the
acquisition of businesses that do not perform as we expect or that are
difficult for us to integrate or control; our inability to successfully
complete any other transaction that we may wish to pursue from time to
time; changes in tax legislation or adverse resolution of challenges to
our tax positions; our ability to maintain adequate liquidity and
financing sources; continued volatility and further deterioration of the
capital markets; and other economic, business, competitive, legal, tax,
regulatory and/or operational factors affecting our business generally.
Our most recent annual report on Form 10-K, quarterly reports on Forms
10-Q and current reports 8-K (which we may revise or supplement in
future reports filed to the SEC) provide additional information about
these risks, uncertainties and other matters. We do not undertake to
update our forward-looking statements.

Corporate Overview

AmerisourceBergen is one of the largest global pharmaceutical sourcing and distribution services companies, helping both healthcare providers and pharmaceutical and biotech manufacturers improve patient access to products and enhance patient care. With services ranging from drug distribution and niche premium logistics to reimbursement and pharmaceutical consulting services, AmerisourceBergen delivers innovative programs and solutions across the pharmaceutical supply channel.